Sodium Carboxymethyl Cellulose (CMC) Paint Grade from Qingdao Unionchem Co., Ltd. is a high-quality, water-soluble cellulose ether designed as a thickener, stabilizer, and rheology modifier for water-based paints and coatings. Our CMC Paint Grade is engineered to enhance paint viscosity, prevent pigment sedimentation, improve flow and leveling, and deliver superior film quality for decorative and industrial applications.
Excellent Thickening & Rheology Control
Provides optimal viscosity and flow properties for smooth application and superior brush/roller performance。
Superior Suspension & Stability
Effectively suspends pigments and fillers, preventing settling and ensuring uniform color and texture。
Improved Film Formation
Enhances paint film integrity, gloss, and durability after drying。
Good Compatibility
Works well with a wide range of paint binders, pigments, and additives in water-based formulations。
Easy Dissolution & Processing
Rapidly disperses and dissolves in water, simplifying mixing and production processes。
Over 15 years of expertise in cellulose ether manufacturing
ISO-certified production and stringent quality control
Customizable grades to meet different paint system requirements
Technical support for formulation and process optimization
Fast global delivery and flexible packaging
Free samples and detailed technical documents available
Q1: What is the main function of CMC in paint?
A1: CMC acts as a thickener, stabilizer, and rheology modifier, providing optimal viscosity, preventing pigment settling, and improving brushability and film formation.
Q2: Is CMC Paint Grade suitable for all types of paints?
A2: It is ideal for water-based paints and coatings, including interior/exterior wall paints, primers, and industrial coatings.
Q3: How does CMC affect paint application and performance?
A3: CMC ensures smooth application, enhances leveling, reduces splattering, and improves the final paint film’s appearance and durability.
Q4: What is the recommended dosage in paint formulations?
A4: Typical dosage is 0.2–1.0% depending on formulation and viscosity requirements. We provide technical guidance for your specific application.
Q5: Can you provide technical support and regulatory documents?
A5: Yes, we supply COA, MSDS, TDS, and offer formulation support to optimize your production process.
| Parameter | Specification |
|---|---|
| Appearance | White or off-white powder |
| Purity (%) | ≥ 99 |
| Viscosity (2% sol., 25°C) | 400–3000 mPa·s (customizable) |
| Degree of Substitution | 0.7–1.2 |
| pH (1% solution) | 6.0 – 8.5 |
| Loss on Drying | ≤ 10% |
| Ash Content | ≤ 8.0% |
| Heavy Metals | ≤ 20 ppm |
| Certification | ISO, Paint Grade |
Detailed COA and technical documents available upon request.
1.Interior & Exterior Wall Paints
Enhances viscosity, prevents pigment settling, and improves leveling for smooth, uniform finish。
2.Industrial Water-Based Coatings
Provides stable viscosity and suspension for anti-corrosion, machinery, and metal coatings。
3.Primers & Undercoats
Improves brushability and film formation, ensuring excellent adhesion and surface preparation。
4.Textured & Decorative Paints
Maintains consistency for specialty finishes, textured coatings, and decorative applications。
5.DIY & Consumer Paints
Ensures easy application, reduced splattering, and improved shelf stability。
Looking for a reliable CMC Paint Grade supplier?
Contact Qingdao Unionchem today for free samples, technical support, and competitive pricing!
[Email: sales@unionchem.com.cn]
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[WhatsApp/WeChat: +86-13953383796]